afterthink means to think about after the fact, reflect on. Lexicurio rates it Rare gem — a strength score of 83 out of 100.
Etymology
Compound of after- + think, probably a calque of Ancient Greek μετάνοια (metánoia).
verb
- To think about after the fact, reflect on.
- To repent, or feel remorse for; to regret.“Do not afterthink except for poetic or P.S. reasons. Never afterthink to "improve" or defray impressions, as the best writing is always the most painful personal wrung-out tossed from cradle warm protective mind – tap from yourself the song of yourself, blow! – now! [...]”